ArticleResuscitation plus2025
Characteristics of out-of-hospital cardiac arrest due to cerebrovascular disorders: a nationwide, retrospective, observational study.
Article in Resuscitation plus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Data on out-of-hospital cardiac arrest (OHCA) due to cerebrovascular disorders is limited. This study aimed to describe the characteristics, outcomes, and annual trends of outcomes for OHCA originating from cerebrovascular disorders. Methods: This study was a retrospective analysis using an Utstein-style Japanese National Registry. Adult patients with OHCA due to cerebrovascular disorders and transported to the hospital between 2005 and 2021 were included. The primary outcome was a favorable neurological outcome at 30-day. We analyzed factors associated with outcomes using a multivariable logistic regression model, then evaluated annual trends of outcomes for cerebrovascular-induced OHCA. Results: Among 2,081,023 OHCA patients, 52,969 had cerebrovascular-induced cardiac arrest. Of these, 1903 (3.5 %) achieved a favorable neurological outcome. In the multivariable logistic regression model, male sex (adjusted odds ratio [aOR] 1.41, 95 % confidence interval [CI] 1.20-1.61), initial shockable rhythm (aOR 3.10, 95 % CI 2.18-4.40), witnessed cardiac arrest (aOR 1.92, 95 % CI: 1.57-2.34), and prehospital return of spontaneous circulation (ROSC) (aOR 11.1, 95 % CI: 9.09-13.5) were associated with favorable neurological outcomes. Prehospital adrenaline administration was negatively associated with favorable neurological outcomes (aOR 0.22, 95 % CI: 0.16-0.30). The proportion of patients with favorable neurological outcomes increased over time, rising from 3.14 % in 2005 to 4.12 % in 2021. Conclusions: Although OHCA due to cerebrovascular disorders is generally associated with poor neurological outcomes, 3.5 % of the patients with cerebrovascular-induced OHCA in this study had favorable neurological outcomes, with a yearly trend improving over decades. Patient characteristics associated with a higher likelihood of a favorable neurological outcome included prehospital ROSC, initial shockable rhythm, and witnessed cardiac arrest.
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